5-Meth-oxy-2,2-dimethyl-6-[(2E)-2-methyl-but-2-eno-yl]-10-phenyl-2H,8H-pyrano[2,3-f]chromen-8-one (calophyllolide)

The title compound, C(26)H(24)O(5), was isolated from calophyllum inophyllum seeds. In the mol-ecule, the phenyl and 2-methyl-but-2-enoyl groups are almost orthogonal to the chromene fragment [C-C-C-C torsion angles = 81.4 (3) and -90.1 (2)°, respectively]. In the crystal packing, centrosymmetricall...

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Published in:Acta crystallographica. Section E, Structure reports online Structure reports online, 2010-04, Vol.66 (Pt 5), p.o1115-o1115
Main Authors: Kalyanaraman, L, Mohan Kumar, R, Vishweshwar, Peddy, Pichai, R, Narasimhan, S
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container_title Acta crystallographica. Section E, Structure reports online
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creator Kalyanaraman, L
Mohan Kumar, R
Vishweshwar, Peddy
Pichai, R
Narasimhan, S
description The title compound, C(26)H(24)O(5), was isolated from calophyllum inophyllum seeds. In the mol-ecule, the phenyl and 2-methyl-but-2-enoyl groups are almost orthogonal to the chromene fragment [C-C-C-C torsion angles = 81.4 (3) and -90.1 (2)°, respectively]. In the crystal packing, centrosymmetrically related mol-ecules are linked by C-H⋯O contacts into dimers, which are connected via further C-H⋯O inter-actions into a double chain along [010].
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title 5-Meth-oxy-2,2-dimethyl-6-[(2E)-2-methyl-but-2-eno-yl]-10-phenyl-2H,8H-pyrano[2,3-f]chromen-8-one (calophyllolide)
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